The Toshiba 48L1433 supports a better video mode than most mid-size TVs that are a comparable age to it. This Toshiba TV supports a 2160p video mode, whereas most televisions of this age and type support a 1080p video mode. In addition, this TV support 1080i, 480i, 480p, 576i, 576p and 720i and 720p video modes.
This TV's video mode (2160p) is actually the best supported video mode across all TVs of this age and spec.
A 480p video mode is the worst supported video mode amongst comparable types of TV.